/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.iec.edp.caf.context.data.multilang;

import io.iec.edp.caf.commons.utils.SpringBeanUtils;
import io.iec.edp.caf.core.context.ICAFContextService;
import io.iec.edp.caf.data.CAFCurrentLanguageResolver;

import java.util.Objects;
import java.util.Optional;

/**
 * 提供上下文语言编号，实现 {@link CAFCurrentLanguageResolver}
 */
public class CAFContextLanguageResolver implements CAFCurrentLanguageResolver {

    @Override
    public Type getType() {
        return Type.Session;
    }

    @Override
    public Optional<String> getLanguage() {
        ICAFContextService service = SpringBeanUtils.getBean(ICAFContextService.class);
        return Objects.nonNull(service) ? Optional.ofNullable(service.getLanguage()) : Optional.empty();
    }

}
